Home / 227,629.20-341,443.80-87,391.20

Finding the Fourth Proportional to 227,629.20, 341,443.80 and 87,391.20

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Solution

The fourth proportional to 227,629.20, 341,443.80 and 87,391.20 is: 131,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,629.20 : 341,443.80 = 87,391.20 : x
  2. Step 2: Convert to fraction form
    227,629.20/341,443.80 = 87,391.20/x
  3. Step 3: Cross multiply
    227,629.20x = 341,443.80 × 87,391.20
  4. Step 4: Simplify right side
    227,629.20x = 29,839,183,414.56
  5. Step 5: Solve for x
    x = 29,839,183,414.56/227,629.20
  6. Step 6: Final answer
    x = 131,086.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.